The Engineering Proficiency Test

Everyone wants to be an engineer. The Glamor. The Fame. The seemingly endless torrent of random facts.
...Ok. Not really. But the 6-figure salary? Hells yeh! Think your cut out for Engineer-dom? Looking forward to the pocket protector, open-source operating system, uncanny math ability, and phat paycheck which accompany them? Proceed, to measure your worth!
The following test consists of multiple choice questions. Scoring is +5 for correct answers, -3 for incorrect answers, and no penalty for skipping questions. Several metrics are measured, and some questions might not effect some metrics.